//
//  AppDelegate.swift
//  新浪微博
//
//  Created by 徐绩 on 16/4/15.
//  Copyright © 2016年 ayumi. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        
        
        //注册根控制器通知
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "changeVC:", name: XJChangeRootVCNotification, object: nil)
        
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()

        
        if XJUserAccountModel.sharedModel.islogin {
            
            window?.rootViewController = XJWelcomeController()
        }else{
            
            window?.rootViewController = MainViewController()
        }
        
        window?.makeKeyAndVisible()
        
        setNav()
        
        return true
    }
    
    /**
     切换根控制
     */
    func changeVC(notifi: NSNotification){
        
        if notifi.object == nil {
            
            self.window?.rootViewController = XJWelcomeController()
        }else{
            
            self.window?.rootViewController = MainViewController()
        }
    }
    
    /**
     设置导航控制器外观
     */
    func setNav(){
       let navBar = UINavigationBar.appearance()
        navBar.tintColor = UIColor.orangeColor()
    
    }
    

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    /**
     应用程序进入后台,调用清除过期缓存数据的方法
     */
    func applicationDidEnterBackground(application: UIApplication) {
       
        XJStatusDAL.clearCache()
        
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

